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Picture of (2S)-4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoic acid

(2S)-4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoic acid

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Origin: China

Cas No: 2304-96-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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  • Products Specification
  • Product Description
  • Quick Details

    CAS No.:
    2304-96-3
    Other Names:
    Z-L-Asparagine
    MF:
    C12H14N2O5
    EINECS No.:
    218-969-5
    Place of Origin:
    Jiangsu, China
    Purity:
    BR,98%
    Classification:
    General Reagents
    Brand Name:
    NJDULY
    Model Number:
    AA0399
    Product name:
    Z-L-Asparagine
    Content:
    ≥98.0%
    Appearance:
    white crystal or crystalline powder
    Storage:
    RT
    Melting point:
    143 ~ 170 ℃
    The specific rotation:
    + 5.6 ~ + 7.6 °
    Function:
    biochemical research

    Packaging&Delivery

    Packaging Details
    Plastic bottle: 5g / bottle
    Need other packing, please contact customer service
    Port
    Shanghai
    Lead Time:
    Quantity(Pieces)1 - 1>1
    Est. Time(days)7To be negotiated
  • Property

    CAS No.: 2304-96-3 Formula: C12H14N2O5 Molecular Weight: 266.25000

    Description

    Nα-Cbz-L-asparagine is an N-Cbz-protected form of L-Asparagine. L-Asparagine was first isolated by Robiquet and Vauquelin from asparagus juice (a high source of L-asparagine). L-Asparagine is often incorporated into proteins, and is a basis for some cancer therapies as certain cancerous cells require L-asparagine for growth.

    Basic Info

    Chemical Name (2S)-4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoic acid
    Synonyms

    Nα-Carbobenzoxy-L-asparagine;
    N2-benzyloxycarbonyl-DL-asparagine;
    N-Benzyloxycarbonyl-L-Asparagine;
    N-Cbz-L-Asparagine;
    N-Carbobenzoxy-L-asparagine;
    Nα-Cbz-L-asparagine;
    N-Cbz-asparagine;
    Z-Asn-OH;
    Nalpha-Carbobenzoxy-L-asparagine;
    Nalpha-Cbz-L-asparagine;
    CBZ asparagine;
    Carbobenzyloxy-L-asparagine;
    benzyloxycarbonyl-L-asparagine;
    Z-L-Asparagine;
    CBZ-L-Asparagine;

    CAS No. 2304-96-3
    Molecular Formula C12H14N2O5
    Molecular Weight 266.25000
    PSA 118.72000
    LogP 1.33260

    Properties

    Appearance & Physical State White solid.
    Density 1.355g/cm3
    Boiling Point 580.6ºC at 760mmHg
    Melting Point 160-165ºC
    Flash Point 304.9ºC
    Refractive Index 6.3 ° (C=1.6, AcOH)
    Stability Stable under normal temperatures and pressures.
    Storage Condition 0-6ºC
    Vapor Pressure 2.54E-14mmHg at 25°C

    Safety Info

    Safety Statements S24/25
    WGK Germany 3
    Risk Statements R20/21/22
    Hazard Codes Xi

    Synthesis Route

    4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoic acid<i>N</i><sup>α</sup>-Carbobenzoxy-<small>D</small>-asparagine+(2S)-4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoic acid
    L-asparagine+Benzyl chloroformate(2S)-4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoic acid
    tert-butyl (2S)-4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoate(2S)-4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoic acid

    Precursor

    Benzyl chloroformate
    N-benzyloxycarbonyl-D,L-asparagine methyl ester
    (2S)-4-oxo-4-phenylmethoxy-2-(phenylmethoxycarbonylamino)butanoic acid
    tert-butyl (2S)-4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoate

    Downstream Product

    (3S)-4-methoxy-4-oxo-3-(phenylmethoxycarbonylamino)butanoic acid
    methyl 2-[[4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoyl]amino]-4-methylpentanoate
    Methyl 2-(S)-[N-Carbobenzyloxy]amino-3-aminopropionate, Hydrochloride
    Z-ASN-ONP

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